US-based Bitcoin ETFs experienced their largest daily net inflow in four months, totaling $555.9 million.Fidelity's Wise Bitcoin Origin Fund attracted the highest inflow among Bitcoin ETFs, at $239.3 million.Ether-focused funds saw minimal or zero net flows, indicating a disparity in investor interest.The surge in Bitcoin ETF inflows coincides with Bitcoin reaching a two-week high of $66,500.